The Economic Times

Found glass-like crystals on pickled asparagus? They may form naturally from rutin in the spears and are generally harmless if the asparagus was properly preserved and shows no signs of spoilage

Rutin crystals commonly appear in pickled asparagus, resembling glass-like flecks. These natural pigment deposits result from chemical reactions during pickling, rather than indicating spoilage. The crystals appearance may differ depending on the pickling method and ingredients used. As long as no additional spoilage signs exist, their presence is entirely normal and should not raise concerns.